Merge r1103213 from trunk:

Fix a timed out connection going into the keep-alive state after a timeout
when discarding a request body.

PR: 51103

Submitted by: sf
Reviewed/backported by: jim



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1162862 13f79535-47bb-0310-9956-ffa450edef68